Originally posted by Dochter As I shove fistfulls of cheez-its into my mouth all I can safely say is that it isn't at all about what you eat, it is all genetic potential.

How old are you? I'm 35 and I've always been able to push myself hard. this is the first time that it has all caught up with me. While I do agree with the genetic potential statement to a certain extent, I don't believe that it is all genetic potential.